LG LG-D175F - Page 66

3. TROUBLE SHOOTING
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3.2.2 WCDMA_B5 Tx
* There are no Test Points on the IQ Data Line. So It is impossible to check the IQ Data Wave form.
WCDMA B5 Tx TEST SETUP
- Test Channel : 4182
- Sector Power : -55 dBm
1. Check DC Power Supply Circuit
START
2. Check XO
4. Check DPX
5. Check PAM
Re download S/W & Cal
3. Check PA